A new cosmic dawn: peering across the universe with NASA’s James Webb Space Telescope
Physics World
JANUARY 7, 2022
Pegged for launch in 2007 at a cost of $1bn, in 2002 it was renamed the James Webb Space Telescope (JWST) after the former NASA administrator. During each observation, the shutters that need to open will receive an electrical signal from a magnetic arm that sweeps over the quadrants.
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